Precision Neoprene Hinged Knee Support (medium) For mild to moderate medial and lateral instability of the knee, cruciate ligament and post surgery conditions. Compression straps provide added support. Fibreglass hinged supports for additional medial and lateral support. Material: 60% neoprene, 20% nylon, 10% polyester, 5% latex, 5% fibreglass. Features: For mild to moderate medial and lateral instability of the knee, cruciate ligament and post surgery conditions. Compression straps provide added support and stability. Features fibreglass hinged supports for additional medial and lateral support. Material: 60% neoprene, 20% nylon, 10% polyester, 5% latex, 5% fibreglass Specifications: Dimensions: H:35.6 x W:20.1 x D:5.0 cm Model Number: TRS220M